Add Fydetab Duo

2025-11-04 09:17:14 +08:00 · 2025-08-18 21:40:57 -07:00
parent 3dac8a8725
commit d9b0f10475
13 changed files with 10008 additions and 0 deletions
--- a/fydetab/duo/default.nix
+++ b/fydetab/duo/default.nix
@@ -0,0 +1,129 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  ap6275pFirmware = pkgs.callPackage ./ap6275p.nix { };
+in
+{
+  imports = [
+    ../../rockchip
+  ];
+
+  options.hardware.fydetab.duo = {
+    enablePanthor = lib.mkEnable "Panthor GPU driver";
+  };
+
+  config = {
+    boot = lib.mkMerge [
+      {
+        initrd.includeDefaultModules = false;
+        kernelPackages = pkgs.callPackage ./kernel.nix { };
+        extraModprobeConfig = ''
+          options bcmdhd firmware_path=${ap6275pFirmware}/lib/firmware/ap6275p/fw_bcm43752a2_pcie_ag.bin nvram_path=${ap6275pFirmware}/lib/firmware/ap6275p/nvram_AP6275P.txt conf_path=${ap6275pFirmware}/lib/firmware/ap6275p/config.txt
+        '';
+        kernelParams = [
+          "console=ttyFIQ0"
+          "console=tty1"
+          "console=both"
+          "earlycon=uart8250,mmio32,0xfeb50000"
+        ];
+        kernelModules = [
+          "himax_tp"
+          "mh248-fyde"
+          "hci_uart"
+        ];
+      }
+      (lib.mkIf config.hardware.bluetooth.enable {
+        kernelModules = [
+          "bluetooth"
+        ];
+      })
+    ];
+
+    hardware = {
+      deviceTree = lib.mkMerge [
+        {
+          name = "rockchip/rk3588s-fydetab-duo.dtb";
+        }
+        (lib.mkIf config.hardware.fydetab.duo.enablePanthor {
+          overlays = [
+            {
+              name = "fydetab-panthor-gpu";
+              dtsText = ''
+                /dts-v1/;
+                /plugin/;
+
+                #include <dt-bindings/clock/rk3588-cru.h>
+                #include <dt-bindings/interrupt-controller/arm-gic.h>
+                #include <dt-bindings/power/rk3588-power.h>
+
+                / {
+                  compatible = "rockchip,rk3588s-tablet-12c-linux";
+                  fragment@0 {
+                    target = <&gpu>;
+                    __overlay__ {
+                      status = "disabled";
+                    };
+                  };
+
+                  fragment@1 {
+                    target = <&gpu_panthor>;
+                    __overlay__ {
+                      status = "okay";
+                      mali-supply = <&vdd_gpu_s0>;
+                    };
+                  };
+                };
+              '';
+            }
+          ];
+        })
+      ];
+      rockchip = {
+        rk3588.enable = true;
+        platformFirmware = pkgs.callPackage ./u-boot.nix { };
+      };
+      firmware = lib.mkMerge [
+        # Only iwd is supported by the interface
+        (lib.mkIf config.networking.wireless.iwd.enable ap6275pFirmware)
+        (lib.mkIf config.hardware.graphics.enable (pkgs.callPackage ./mali-g610.nix { }))
+        (lib.mkIf config.hardware.sensor.iio.enable (pkgs.callPackage ./himax.nix { }))
+      ];
+    };
+
+    systemd.services.bluetooth-fydetab = lib.mkIf config.hardware.bluetooth.enable {
+      description = "FydeTab Duo Bluetooth fix";
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig.Type = "simple";
+      script = ''
+        ${lib.getExe' pkgs.util-linux "rfkill"} block 0
+        ${lib.getExe' pkgs.util-linux "rfkill"} block bluetooth
+        sleep 2
+        ${lib.getExe' pkgs.util-linux "rfkill"} unblock 0
+        ${lib.getExe' pkgs.util-linux "rfkill"} unblock bluetooth
+
+        sleep 1
+
+        ${
+          lib.getExe (pkgs.callPackage ./brcm-patchram.nix { })
+        } --enable_hci --no2bytes --use_baudrate_for_download --tosleep 200000 --baudrate 1500000 --patchram ${ap6275pFirmware}/lib/firmware/ap6275p/BCM4362A2.hcd /dev/ttyS9
+      '';
+    };
+
+    services.udev = {
+      extraHwdb = ''
+        # Fydetab
+        evdev:input:b0018v0000p0000e0000*
+          EVDEV_ABS_00=::265
+          EVDEV_ABS_01=::166
+      '';
+      extraRules = ''
+        SUBSYSTEM=="iio" ATTR{name}=="lis2dw12" ENV{ACCEL_MOUNT_MATRIX}="1,0,0;0,-1,0;0,0,1"
+        SUBSYSTEM=="input", ENV{ID_INPUT_TABLET}=="1", ENV{LIBINPUT_CALIBRATION_MATRIX}="0 1 0 -1 0 1 0 0 1"
+      '';
+    };
+  };
+}